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OpenStudy (saifoo.khan):
Which equation in the blast furnace extraction of iron is not a redox reaction? A CaCO3 → CaO + CO2 B 2C + O2 → 2CO C C + CO2 → 2CO D Fe2O3 + 3CO → 2Fe + 3CO
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OpenStudy (anonymous):
A CaCO3 --> CaO + CO2
OpenStudy (anonymous):
in B) C is oxidised and O2 is reduced in C) C is both oxidised and reduced in D) Fe is reduced and you haven't balanced the equation.
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